Top cover for a mobile radio



FIG. 1 is a front, top, and right side perspective view of a top cover for a mobile radio showing our new design;

FIG. 2 is a right-side elevational view thereof, the left side being a mirror image;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The broken lines showing the top cover for a mobile radio portion of FIGS. 1, 2, 3, and 4 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a top cover for a mobile radio, as shown and described. 